IT970822B - IMPROVEMENT IN THE MANUFACTURE OF SULFURIC ACID - Google Patents

IMPROVEMENT IN THE MANUFACTURE OF SULFURIC ACID

Info

Publication number
IT970822B
IT970822B IT6947872A IT6947872A IT970822B IT 970822 B IT970822 B IT 970822B IT 6947872 A IT6947872 A IT 6947872A IT 6947872 A IT6947872 A IT 6947872A IT 970822 B IT970822 B IT 970822B
Authority
IT
Italy
Prior art keywords
improvement
manufacture
sulfuric acid
sulfuric
acid
Prior art date
Application number
IT6947872A
Other languages
Italian (it)
Original Assignee
Pechiney Ugine Kuhlmann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pechiney Ugine Kuhlmann filed Critical Pechiney Ugine Kuhlmann
Application granted granted Critical
Publication of IT970822B publication Critical patent/IT970822B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/765—Multi-stage SO3-conversion
    • C01B17/7655—Multi-stage SO3-conversion with intermediate absorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
IT6947872A 1971-08-13 1972-07-28 IMPROVEMENT IN THE MANUFACTURE OF SULFURIC ACID IT970822B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7129648A FR2149586A5 (en) 1971-08-13 1971-08-13 IMPROVEMENT IN THE MANUFACTURING OF SULFURIC ACID

Publications (1)

Publication Number Publication Date
IT970822B true IT970822B (en) 1974-04-20

Family

ID=9081846

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6947872A IT970822B (en) 1971-08-13 1972-07-28 IMPROVEMENT IN THE MANUFACTURE OF SULFURIC ACID

Country Status (11)

Country Link
JP (1) JPS4827998A (en)
AT (1) AT325062B (en)
BE (1) BE786720A (en)
BR (1) BR7205489D0 (en)
DE (1) DE2239510C3 (en)
ES (1) ES405469A1 (en)
FI (1) FI55164C (en)
FR (1) FR2149586A5 (en)
GB (1) GB1405616A (en)
IT (1) IT970822B (en)
NO (1) NO136708C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA727754B (en) * 1972-11-01 1974-06-26 African Explosives & Chem Improvements in and relating to the manufacture of sulphuric acid
JPS50161685A (en) * 1974-06-19 1975-12-27
JPS52119706A (en) * 1975-11-28 1977-10-07 Kerou Majin Method of and device for cooling underground power cable
CN112320768B (en) * 2021-01-04 2021-03-30 联仕(昆山)化学材料有限公司 Production method of electronic-grade sulfuric acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135400C (en) * 1964-09-25
DE1933460C3 (en) * 1969-07-02 1973-11-15 Metallgesellschaft Ag, 6000 Frankfurt Device for intermediate absorption and heat exchange during the catalytic conversion of gases containing SO deep 2 with the production of sulfuric acid

Also Published As

Publication number Publication date
FR2149586A5 (en) 1973-03-30
BE786720A (en) 1972-11-16
NO136708B (en) 1977-07-18
DE2239510B2 (en) 1980-07-03
JPS4827998A (en) 1973-04-13
NO136708C (en) 1977-10-26
FI55164B (en) 1979-02-28
FI55164C (en) 1979-06-11
DE2239510C3 (en) 1981-03-19
GB1405616A (en) 1975-09-10
BR7205489D0 (en) 1973-06-12
ES405469A1 (en) 1975-09-01
DE2239510A1 (en) 1973-02-22
AT325062B (en) 1975-10-10

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